<template>
  <view class="login-container">
    <uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
    <button type="primary" class="btn-login" @click="getUserInfo">一键登录</button>
    <text class="tips-title">登录后尽享更过权益</text>
  </view>
</template>

<script>
  import {
    mapMutations,
    mapState
  } from 'vuex'
  export default {
    name: "my-login",
    data() {
      return {

      };
    },
    computed:{
      ...mapState('m_user',['redirectInfo'])
    },
    
    methods: {
      ...mapMutations('m_user', ['updateUserInfo','updateToken','updateRedirectInfo']),
      // 获取用户信息
      async getUserInfo() {
        const [err, res] = await uni.getUserProfile({
          desc: '您的登录信息是'
        }).catch(err => err)
        if (err?.errMsg === 'getUserProfile:fail auth deny') return uni.$showMsg('您取消了登录授权！')
        this.updateUserInfo(res.userInfo)
        // 获取登录成功后的 Token 字符串
        this.getToken(res)
      },
      // 获取token
      async getToken(info){
       const [err,res] =  await uni.login().catch(err=>err)
       if(err || res.errMsg !== 'login:ok') return uni.$showMsg('登录失败')
       // 接口参数
       const query = {
         code:res.code,
         encryptedData:info.encryptedData,
         iv:info.iv,
         rawData:info.rawData,
         signature:info.signature
       }
       const {data:loginRes} =  await uni.$http.post('/api/public/v1/users/wxlogin',query)
       // if(loginRes.meta.status !==200) return uni.$showMsg('登录失败')
       
       // token保存到vuex
       // const fade = 'xunitokentokentokentoken'
       const fade = 'Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjIzLCJpYXQiOjE1NjQ3MzAwNzksImV4cCI6MTAwMTU2NDczMDA3OH0.YPt-XeLnjV-_1ITaXGY2FhxmCe4NvXuRnRB8OMCfnPo'
       this.updateToken(fade)
       this.navigateBack()
      },
      navigateBack(){
        if(this.redirectInfo && this.redirectInfo.openType === 'switchTab'){
          uni.switchTab({
            url:this.redirectInfo.from,
            complete:()=>{
              this.updateRedirectInfo(null)
            }
          })
        }
      }
    }
  }
</script>

<style lang="scss">
  .login-container {
    height: 750rpx;
    background-color: #f8f8f8;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    position: relative;
    overflow: hidden;

    &::after {
      content: '';
      display: block;
      width: 100%;
      height: 40px;
      background-color: #fff;
      position: absolute;
      bottom: 0;
      left: 0;
      border-radius: 100%;
      transform: translateY(50%);
    }

    .btn-login {
      width: 90%;
      border-radius: 100px;
      margin: 15px 0;
      background-color: #c00000;
    }

    .tips-title {
      font-size: 12px;
      color: gray;
    }
  }
</style>
